Table 1.

LT ₅₀ (min) values of medium workers of red imported fire ants after open and closed exposures to sweet wormwood oil

Concentration	Open		Closed
(%)	LT 50 (min)	CI 95	LT 50 (min)	CI 95
0	>180	-	>90	-
0.5	>180	-	49.26	37.24–65.17
1.0	>180	-	33.43	26.69–42
2.0	85.5	70.73–103.34	28.43	22.04–36.69